Enable-WindowsOptionalFeatureIT technician command center
PowerShell · Windows Administration

Enable-WindowsOptionalFeature

Enable a Windows optional feature.

Copy-ready commandEnable-WindowsOptionalFeature
Enable-WindowsOptionalFeature -Online -FeatureName IIS-WebServerRole

Requirements and permissions

Requirements
Windows PowerShell 5.1 or PowerShell 7
Permissions
Varies by command
Last reviewed
2026-07-31

Examples

Basic example

Enable a Windows optional feature.

Enable-WindowsOptionalFeature -Online -FeatureName IIS-WebServerRole

Common errors

Command not found

Confirm Windows PowerShell 5.1 or PowerShell 7 is installed and available in your current shell.